1321930950 has 24 divisors (see below), whose sum is σ = 3278389128. Its totient is φ = 352514880.

The previous prime is 1321930949. The next prime is 1321930969. The reversal of 1321930950 is 590391231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4406287 + ... + 4406586.

It is an arithmetic number, because the mean of its divisors is an integer number (136599547).

Almost surely, 2^1321930950 is an apocalyptic number.

1321930950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321930950 is an abundant number, since it is smaller than the sum of its proper divisors (1956458178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321930950 is a wasteful number, since it uses less digits than its factorization.

1321930950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8812888 (or 8812883 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 1321930950 is about 36358.3683627305. The cubic root of 1321930950 is about 1097.4959431706.

The spelling of 1321930950 in words is "one billion, three hundred twenty-one million, nine hundred thirty thousand, nine hundred fifty".